Nylon Sheet direct-current industrial ventilationFan Dimension: 1380*1380*550mm Dia of Outlet: 1260mm Power: 0.75KW Rated Voltage: 380v Speed: 450 times/min Noise: 60dB N.W.: 83.5kg Air Flow: 44500 m3/h we can do it follow customers request if you have any question pls contact us when you feel free